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the monkey dances and laughs and sings and dances
4 years ago
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<h1>stdlib.h File Reference</h1>
<p><a href="stdlib_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdiv__t.html">div_t</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structldiv__t.html">ldiv_t</a></td></tr>
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga690f251553b39fd4f31894826141b61a">RAND_MAX</a>&nbsp;&nbsp;&nbsp;0x7FFF</td></tr>
<tr><td colspan="2"><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef int(*&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gad37588b5e19ccf152d3e4447098402e2">__compar_fn_t</a> )(const void *, const void *)</td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga63e28bec3592384b44606f011634c5a8">abort</a> (void) __ATTR_NORETURN__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gadb8c83badc195efc1229799391fececc">abs</a> (int __i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gae017047d6d0a688ccb622ff062dcd230">labs</a> (long __i)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga885c1ccefb716ff16ab73a57003140be">bsearch</a> (const void *__key, const void *__base, size_t __nmemb, size_t __size, int(*__compar)(const void *, const void *))</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structdiv__t.html">div_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga7486ea9a8a90ac6b93bed37d08ebbd9e">div</a> (int __num, int __denom) __asm__(&quot;__divmodhi4&quot;)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structldiv__t.html">ldiv_t</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga5b688b463f9faaa82f31ac7587e06849">ldiv</a> (long __num, long __denom) __asm__(&quot;__divmodsi4&quot;)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gafd4bf2faec43342e7ad3d2ab37bac1fe">qsort</a> (void *__base, size_t __nmemb, size_t __size, <a class="el" href="group__avr__stdlib.html#gad37588b5e19ccf152d3e4447098402e2">__compar_fn_t</a> __compar)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaf8ce3b8dae3d45c34c3b172de503f7b3">strtol</a> (const char *__nptr, char **__endptr, int __base)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaea44aa48bda8261f794dcb2d1e7ab2b2">strtoul</a> (const char *__nptr, char **__endptr, int __base)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga764de49bd918caf24ce1caf3a10b3823">atol</a> (const char *__s) __ATTR_PURE__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga3a1fe00c1327bbabc76688a7a1d73370">atoi</a> (const char *__s) __ATTR_PURE__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga137096a48cc0c731052cadfb69c39b34">exit</a> (int __status) __ATTR_NORETURN__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga4996af830ebe744d9678e5251dfd3ebd">malloc</a> (size_t __size) __ATTR_MALLOC__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gafb8699abb1f51d920a176e695ff3be8a">free</a> (void *__ptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga51ac965dacbc9daf922f469bdcfe00c2">calloc</a> (size_t __nele, size_t __size) __ATTR_MALLOC__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gafd300bad8b4dd2e88b07d464d76c92aa">realloc</a> (void *__ptr, size_t __size) __ATTR_MALLOC__</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga5ee4d110a3bb55d2eadda05e3ebedf8a">strtod</a> (const char *__nptr, char **__endptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga689c9d3c4c04463aa31d329937789d06">atof</a> (const char *__nptr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gae23144bcbb8e3742b00eb687c36654d1">rand</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gacceff9dc95bb3c5562dc9e61fc3d9075">srand</a> (unsigned int __seed)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaf5085001be836a0f2a5d3269a7c9fd04">rand_r</a> (unsigned long *__ctx)</td></tr>
<tr><td colspan="2"><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaffadd67736fd340e893fb22c207de597">__malloc_margin</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga9310042b3956282440c091d20cb98c5f">__malloc_heap_start</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga4d7b1bf0f75d529cc75229a266132115">__malloc_heap_end</a></td></tr>
<tr><td colspan="2"><h2>Non-standard (i.e. non-ISO C) functions.</h2></td></tr>
<tr><td colspan="2"><p><a class="anchor" id="amgrpa116bb983e59d48cace8e751bbec5472"></a> </p>
<br/><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga3bd31f0d9a9127548b734e7ca03cc6df">RANDOM_MAX</a>&nbsp;&nbsp;&nbsp;0x7FFFFFFF</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaa571de9e773dde59b0550a5ca4bd2f00">itoa</a> (int val, char *s, int radix)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga5a3fce5fbd20140584619ba9aed09f75">ltoa</a> (long val, char *s, int radix)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gad50d835af7e358518fd100179732e948">utoa</a> (unsigned int val, char *s, int radix)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga34f41757388f40e340f31e370ac009b5">ultoa</a> (unsigned long val, char *s, int radix)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga114aeb1751119382aaf3340355b22cfd">random</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga4fca27496ca29c0a723d197696641eff">srandom</a> (unsigned long __seed)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#gaa99a0733f06d2b9960a1401c2721af1e">random_r</a> (unsigned long *__ctx)</td></tr>
<tr><td colspan="2"><h2>Conversion functions for double arguments.</h2></td></tr>
<tr><td colspan="2"><p><a class="anchor" id="amgrp67796e0946dab291b611cb32584a051f"></a> Note that these functions are not located in the default library, <code>libc.a</code>, but in the mathematical library, <code>libm.a</code>. So when linking the application, the <code>-lm</code> option needs to be specified. </p>
<br/><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga815d0d26e215d9b78af1cb2288d22361">DTOSTR_ALWAYS_SIGN</a>&nbsp;&nbsp;&nbsp;0x01</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga268774f80047812307365f3113109767">DTOSTR_PLUS_SIGN</a>&nbsp;&nbsp;&nbsp;0x02</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga125348f1e1fed1793426f4c4dc6fb2f7">DTOSTR_UPPERCASE</a>&nbsp;&nbsp;&nbsp;0x04</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga687984f47d8cce148d1b914d2b79612a">EXIT_SUCCESS</a>&nbsp;&nbsp;&nbsp;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga73efe787c131b385070f25d18b7c9aa4">EXIT_FAILURE</a>&nbsp;&nbsp;&nbsp;1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga6c140bdd3b9bd740a1490137317caa44">dtostre</a> (double __val, char *__s, unsigned char __prec, unsigned char __flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__avr__stdlib.html#ga060c998e77fb5fc0d3168b3ce8771d42">dtostrf</a> (double __val, signed char __width, unsigned char __prec, char *__s)</td></tr>
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